Stockholm: ECDC; 2016. https://ecdc.europa.eu/sites/portal/files/media/en/publications/Publications/RRA-shortage-of-aP-containing-vaccines.pdf ][7: WHO Regional Office for Europe, Dealing with vaccine shortages: current situation and ongoing activities.
Stockholm: ECDC; 2016. https://ecdc.europa.eu/sites/portal/files/media/en/publications/Publications/RRA-shortage-of-aP-containing-vaccines.pdf ][7: Regionaal Bureau voor Europa van de WHO, Dealing with vaccine shortages: current situation and ongoing activities.